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9fee771b40
Automatic merge from submit-queue (batch tested with PRs 62460, 64480, 63774, 64540, 64337). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Save kubeadm manifest backup directories **What this PR does / why we need it**: Kubeadm will now preserves previous manifests after `kubeadm upgrade apply`. Previously these files would be deleted after the upgrade succeeded **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes # [kubeadm/489](https://github.com/kubernetes/kubeadm/issues/489) **Special notes for your reviewer**: **Release note**: ```release-note kubeadm now preserves previous manifests after upgrades ```